Synthesis of Aminocyclobutanes through Ring Expansion of N-Vinyl-β-Lactams
摘要:
Both eight-membered enamide rings and fused [4.2.0]aminocyclobutane-containing delta-lactams can be accessed from N-vinyl-beta-lactams. The eight-membered rings are made through a [3,3] sigmatropic rearrangement. At elevated temperature, the eight-membered lactam undergoes electrocyclization to furnish fused cyclobutane delta-lactams in a diastereoselective manner.
Synthesis of Aminocyclobutanes through Ring Expansion of N-Vinyl-β-Lactams
摘要:
Both eight-membered enamide rings and fused [4.2.0]aminocyclobutane-containing delta-lactams can be accessed from N-vinyl-beta-lactams. The eight-membered rings are made through a [3,3] sigmatropic rearrangement. At elevated temperature, the eight-membered lactam undergoes electrocyclization to furnish fused cyclobutane delta-lactams in a diastereoselective manner.
Synthesis of Aminocyclobutanes through Ring Expansion of <i>N</i>-Vinyl-β-Lactams
作者:Lawrence L. W. Cheung、Andrei K. Yudin
DOI:10.1021/ol900118d
日期:2009.3.19
Both eight-membered enamide rings and fused [4.2.0]aminocyclobutane-containing delta-lactams can be accessed from N-vinyl-beta-lactams. The eight-membered rings are made through a [3,3] sigmatropic rearrangement. At elevated temperature, the eight-membered lactam undergoes electrocyclization to furnish fused cyclobutane delta-lactams in a diastereoselective manner.